package com.petruisfan.banimei;

import java.text.SimpleDateFormat;
import java.util.Date;

import android.app.ActionBar;
import android.app.AlertDialog;
import android.app.FragmentTransaction;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
import android.widget.TableLayout;
import android.widget.TextView;
import android.widget.Toast;

public class Banimei extends FragmentActivity implements ActionBar.TabListener {
	private RecordsDbAdapter rDbAdapter = null; 
	
    /**
     * The {@link android.support.v4.view.PagerAdapter} that will provide fragments for each of the
     * sections. We use a {@link android.support.v4.app.FragmentPagerAdapter} derivative, which will
     * keep every loaded fragment in memory. If this becomes too memory intensive, it may be best
     * to switch to a {@link android.support.v4.app.FragmentStatePagerAdapter}.
     */
    SectionsPagerAdapter mSectionsPagerAdapter;

    /**
     * The {@link ViewPager} that will host the section contents.
     */
    ViewPager mViewPager;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        rDbAdapter = new RecordsDbAdapter(this);
        rDbAdapter.open();
        
        // Create the adapter that will return a fragment for each of the three primary sections
        // of the app.
        mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

        // Set up the action bar.
        final ActionBar actionBar = getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        // Set up the ViewPager with the sections adapter.
        mViewPager = (ViewPager) findViewById(R.id.pager);
        mViewPager.setAdapter(mSectionsPagerAdapter);

        // When swiping between different sections, select the corresponding tab.
        // We can also use ActionBar.Tab#select() to do this if we have a reference to the
        // Tab.
        mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
            @Override
            public void onPageSelected(int position) {
                actionBar.setSelectedNavigationItem(position);
            }
        });

        // For each of the sections in the app, add a tab to the action bar.
        for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
            // Create a tab with text corresponding to the page title defined by the adapter.
            // Also specify this Activity object, which implements the TabListener interface, as the
            // listener for when this tab is selected.
            actionBar.addTab(
                    actionBar.newTab()
                            .setText(mSectionsPagerAdapter.getPageTitle(i))
                            .setTabListener(this));
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
    
    @Override
    public boolean onMenuItemSelected(int featureId, MenuItem item) {
        switch(item.getItemId()) {
        case R.id.menu_about:
        	Toast.makeText(this, "© Petru Isfan 2012", Toast.LENGTH_SHORT).show();
        	return true;
        case R.id.menu_erase:
        	DialogInterface.OnClickListener dialogClickListener = new DialogInterface.OnClickListener() {
        	    @Override
        	    public void onClick(DialogInterface dialog, int which) {
        	        switch (which){
        	        case DialogInterface.BUTTON_POSITIVE:
        	        	rDbAdapter.dropTable();
        	        	Toast.makeText(getApplicationContext(), "All records erased!", Toast.LENGTH_SHORT).show();
        	        	Utils.refreshTotal( (TextView)findViewById(R.id.total_spent) );
        	        	((TableLayout)findViewById(R.id.records_table)).removeAllViews();
        	        	break;

        	        case DialogInterface.BUTTON_NEGATIVE:
        	            //No button clicked
        	            break;
        	        }
        	    }
        	};

        	AlertDialog.Builder builder = new AlertDialog.Builder(this);
        	builder.setMessage("This will erase all the records! Are you sure?").setPositiveButton("Yes", dialogClickListener)
        	    .setNegativeButton("No", dialogClickListener).show();
        }

        return super.onMenuItemSelected(featureId, item);
    }


    @Override
    public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }

    @Override
    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
        // When the given tab is selected, switch to the corresponding page in the ViewPager.
        mViewPager.setCurrentItem(tab.getPosition());
    }

    @Override
    public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }

    /**
     * A {@link FragmentPagerAdapter} that returns a fragment corresponding to one of the primary
     * sections of the app.
     */
    public class SectionsPagerAdapter extends FragmentPagerAdapter {

        public SectionsPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int i) {
            Fragment fragment = new TabFragment();
            Bundle args = new Bundle();
            args.putInt(TabFragment.ARG_SECTION_NUMBER, i + 1);
            fragment.setArguments(args);
            return fragment;
        }

        @Override
        public int getCount() {
            return 3;
        }

        @Override
        public CharSequence getPageTitle(int position) {
            switch (position) {
                case 0: return getString(R.string.title_section1).toUpperCase();
                case 1: return getString(R.string.title_section2).toUpperCase();
                case 2: return getString(R.string.title_section3).toUpperCase();
            }
            return null;
        }
    }
    
	public void addRecord(View v) {
    	String title = ((AutoCompleteTextView)findViewById(R.id.pay_name)).getText().toString();
    	String value = ((EditText)findViewById(R.id.pay_value)).getText().toString();
    	
    	if (title == null || title.equals("") || value == null || value.equals("")) {
    		Toast.makeText(this, "Item/Value must not be empty", Toast.LENGTH_LONG).show();
    		return;
    	}
    	
    	SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
    	String currentDate = sdf.format(new Date());
    	
    	rDbAdapter.addRecord(title, value, currentDate);
    	Toast.makeText(this, "Record added: " + title + "/" + value, Toast.LENGTH_SHORT).show();
    	Utils.refreshTotal( (TextView)findViewById(R.id.total_spent) );
    }
	
	
}
